22222202000161 has 2 divisors, whose sum is σ = 22222202000162. Its totient is φ = 22222202000160.

The previous prime is 22222202000129. The next prime is 22222202000237. The reversal of 22222202000161 is 16100020222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22186502165025 + 35699835136 = 4710255^2 + 188944^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222202000161 - 2⁵ = 22222202000129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222202000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111101000080 + 11111101000081.

It is an arithmetic number, because the mean of its divisors is an integer number (11111101000081).

Almost surely, 2^{22222202000161} is an apocalyptic number.

It is an amenable number.

22222202000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222202000161 is an equidigital number, since it uses as much as digits as its factorization.

22222202000161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22222202000161 its reverse (16100020222222), we get a palindrome (38322222222383).

The spelling of 22222202000161 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred two million, one hundred sixty-one", and thus it is an aban number.